Development of the Event-focused Repetitive Thoughts Questionnaire (ERTQ): A Tool for Assessing Cognitive Responses to Stressful Life Events - Vancappel, Alexis; Eberle, David Johannes; Chkili, Raina; Schenkel, Joelle; Maercker, Andreas; El-Hage, Wissam; Bachem, Rahel (My University, 2025)